Major parts of the microscope that provides light to the microscope

The minerals found in bones are deposited by living cells called

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium

Light waves can move through , but they travel fastest when they move through a(n) .